EY Global Delivery Services ( EY GDS)
10+ Spipick Foods Llp (goldiee Group) Mandhana Kanpur(u.p) Interview Questions and Answers
Q1. What are the assumption of OLS Regression? Explain the impact on the prediction and inference of the model in case of violation.
Assumptions of OLS Regression and impact of violation on prediction and inference
Assumptions include linearity, independence, homoscedasticity, and normality of errors
Violation can lead to biased estimates, inefficient predictions, and incorrect inferences
For example, violation of normality assumption can result in inaccurate confidence intervals
Q2. What is VAR, VECM, ARCH and GARCH modeling. How they differ from one another. When to use each of them.
VAR, VECM, ARCH, and GARCH are different types of time series models used in econometrics to analyze and forecast data.
VAR (Vector Autoregression) models multiple time series variables as a system of equations, capturing the relationships between variables.
VECM (Vector Error Correction Model) is an extension of VAR that accounts for cointegration among variables, allowing for long-term relationships to be modeled.
ARCH (Autoregressive Conditional Heteroskedasticity) models the...read more
Q3. Have you had any experience in internal audit? explain process of PTP
Yes
PTP stands for Procure-to-Pay, which is a process in internal audit.
It involves the entire cycle of purchasing goods or services, from requisition to payment.
The process typically includes steps like purchase requisition, purchase order, goods receipt, invoice verification, and payment.
Internal auditors ensure that the PTP process is efficient, compliant with policies and procedures, and free from fraud or errors.
They review documentation, perform testing, and provide reco...read more
Q4. Explain Different time series model. Also explain the unit root test.
Time series models are statistical models used to analyze and forecast time series data. Unit root test is used to determine stationarity of a time series.
Time series models include ARIMA, SARIMA, and exponential smoothing.
ARIMA model combines autoregressive, moving average, and differencing components.
SARIMA model includes seasonal components in addition to ARIMA.
Exponential smoothing models assign exponentially decreasing weights to past observations.
Unit root test, such as...read more
Q5. What does due deligence comprise of?
Due diligence comprises of a thorough investigation and analysis of a company or business before making a decision or entering into a contract.
Researching the company's financial statements, operations, and market position
Assessing potential risks and liabilities
Reviewing legal documents and contracts
Conducting interviews with key stakeholders
Verifying the accuracy of information provided by the company
Identifying any red flags or areas of concern
Ensuring compliance with regu...read more
Q6. How to manage government clients
Managing government clients requires understanding their unique needs, regulations, and communication styles.
Build strong relationships with key stakeholders within the government agency
Understand the specific regulations and compliance requirements that govern the client's operations
Communicate clearly and effectively, using appropriate channels and language for government clients
Be proactive in addressing any issues or concerns that may arise
Stay informed about government p...read more
Q7. What is control testing, ITGc
Control testing is the process of testing the effectiveness of controls in place to mitigate risks in an organization's IT environment.
ITGc stands for Information Technology General Controls
ITGc testing involves evaluating the design and operating effectiveness of controls related to IT infrastructure, security, and data integrity
Examples of ITGc testing include reviewing access controls, testing backup and recovery procedures, and assessing system change management processes
Q8. Most changllgeing task you have so far
Leading a team to implement a new software system for a large client within a tight deadline
Coordinating with multiple stakeholders to gather requirements
Managing a team of developers and ensuring timely delivery
Troubleshooting technical issues and finding solutions
Communicating progress and challenges to the client
Adapting to changing requirements and timelines
Example: Implementing a new CRM system for a Fortune 500 company
Q9. What is recycler view
Recycler view is a flexible view for providing a limited window into a large data set.
Recycler view is a UI component in Android used to efficiently display large sets of data
It reuses the same view to display different items as the user scrolls, improving performance
It uses a layout manager to organize the items in a grid, list, or staggered grid layout
Q10. Do you know any tools
Yes, I am familiar with various tools used in consulting such as Microsoft Excel, PowerPoint, and Tableau.
Microsoft Excel for data analysis and modeling
Microsoft PowerPoint for creating presentations
Tableau for data visualization
Q11. Data upload modes in power bi
Power BI supports various data upload modes including direct query, import, and live connection.
Power BI supports DirectQuery mode where data is queried directly from the data source in real-time.
Import mode allows users to import data into Power BI's internal data model for faster analysis.
Live connection mode enables users to connect to a data source and view real-time data without importing it into Power BI.
Q12. What is Viewmodel
Viewmodel is a design pattern that separates the data presentation logic from the business logic in an application.
Viewmodel helps in maintaining separation of concerns in an application
It is commonly used in MVVM (Model-View-ViewModel) architecture
Viewmodel stores and manages the data for the view, and exposes methods for the view to interact with the data
Q13. Explain OT Security Architecture
OT Security Architecture involves designing and implementing security measures to protect operational technology systems.
OT Security Architecture focuses on securing industrial control systems (ICS) and supervisory control and data acquisition (SCADA) systems.
It involves implementing firewalls, intrusion detection systems, access controls, and encryption to protect OT networks.
OT Security Architecture also includes network segmentation, regular security assessments, and incid...read more
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